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An atom with a principal quantum number of 3 has 2 radial nodes in its electron cloud.

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What is the first quantum number of a 2s2 electron in phosphorus?

The first quantum number of a 2s electron in phosphorus is the principal quantum number, which specifies the energy level of the electron shell. For a 2s electron, the principal quantum number is 2.


What is the first quantum number of a 2s2 electron in phosphorus 1s22s22p63s23p3?

n = 2


What is the first quantum number of a 3p3 electron in phosphorus 1s2 2s2 2p6 3s2 3p3?

n=3


What is a principal quantam number?

The principal quantum number (n) defines the main energy level or shell of an electron in an atom. It determines the average distance of the electron from the nucleus, as well as the energy of the electron. The higher the principal quantum number, the higher the energy level and the greater the distance from the nucleus.


All of the orbitals in a given electron shell have the same value of the?

Principal quantum number.


What is the first quantum number of a 2s electron in phosphorus?

The first quantum number, also known as the principal quantum number (n), indicates the energy level of an electron in an atom. For a 2s electron in phosphorus, which has an electron configuration of 1s² 2s² 2p⁶ 3s² 3p³, the principal quantum number is 2. This indicates that the electron is located in the second energy level.


What is the first quantum number of the 3p1 electron in aluminum?

The first quantum number is the principal quantum number, denoted by "n." In aluminum, the 3p1 electron would have a principal quantum number of n = 3, since it is in the third energy level orbiting the nucleus.


What is the first quantum number of the 3p1 electron in aluminum 1s22s22p63s23p1?

n = 3


What is the value of the quantum number n for a spin-up electron in a 2p orbital?

The quantum number ( n ) represents the principal quantum number, which indicates the energy level of an electron in an atom. For a 2p orbital, the principal quantum number ( n ) is 2. Therefore, the value of ( n ) for a spin-up electron in a 2p orbital is 2.


What is the value of the quantum number n for a spin-down electron in a 2s orbital?

The quantum number ( n ) represents the principal quantum number, which indicates the energy level of an electron in an atom. For an electron in a 2s orbital, the value of ( n ) is 2, regardless of the electron's spin orientation (up or down). Thus, a spin-down electron in a 2s orbital also has a principal quantum number ( n = 2 ).


What is the first quantum number of a 2s2 electron in phosphorus 1s22p63s23p3?

The first quantum number is the principal quantum number (n), which indicates the main energy level of an electron. For a 2s electron in phosphorus (atomic number 15), the first quantum number is 2.


What is the value of the quantum number n for a spin up electron in a 2p orbital?

The quantum number ( n ) represents the principal quantum number, which indicates the energy level of an electron in an atom. For a 2p orbital, the principal quantum number ( n ) is 2. This means that the electron is in the second energy level of the atom, regardless of its spin state (spin up or spin down).